Cover Letter Definition: What Does Cover Letter Mean?

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Cover Letter Definition
A cover letter is a one-page professional document that accompanies a resume or job application. It introduces the applicant to the employer, explains their interest in the position, and highlights how their qualifications match the job requirements.
Quick definition: A cover letter is a personalized letter (typically 250-400 words) sent with a resume when applying for jobs. It introduces you to the employer, demonstrates your interest in the specific position, and explains why you're qualified. The term "cover letter" comes from the letter that "covers" or accompanies your resume.
Origin: The term "cover letter" comes from the letter that "covers" or accompanies your main application documents, providing context and introduction.
What Does "Cover Letter" Mean?
Literal Meaning
- Cover = To accompany, introduce, or provide context for
- Letter = A written communication
- Together = A letter that covers/introduces your resume
Professional Meaning
A cover letter is a business communication that:
- Introduces you to the employer
- Explains your interest in the position
- Highlights your relevant qualifications
- Requests consideration for the role
Historical Context
Origin of Cover Letters
Cover letters have been used in business communication for centuries, originally as physical letters that "covered" or accompanied other documents sent through mail.
Evolution
- Past: Physical letters mailed with resumes
- Present: Digital documents (PDF/Word) sent via email or online applications
- Future: ATS-optimized, keyword-focused documents
Modern Usage
Today, cover letters are:
- Primarily digital (PDF or Word documents)
- Often submitted through online application systems
- Optimized for ATS (Applicant Tracking Systems)
- Still personalized and customized per job
Cover Letter vs Other Terms
Cover Letter vs Resume
- Cover Letter: Narrative, explains why you fit
- Resume: Structured, lists what you've done
- Relationship: Cover letter accompanies and explains resume
Cover Letter vs Application Letter
- Cover Letter: Accompanies resume for specific job
- Application Letter: Can be standalone or more general
- Usage: Often used interchangeably, but cover letter is more specific
Cover Letter vs Letter of Interest
- Cover Letter: For specific posted position
- Letter of Interest: For unposted opportunities (prospecting)
- Difference: Cover letter responds to posting; letter of interest initiates contact
Cover Letter vs Motivation Letter
- Cover Letter: Job application context
- Motivation Letter: Academic or scholarship context
- Similarity: Both explain interest and qualifications
Types of Cover Letters
1. Application Cover Letter
Definition: Cover letter for a specific posted job position Purpose: Apply for advertised role Length: 250-400 words
2. Prospecting Cover Letter
Definition: Cover letter inquiring about potential opportunities Purpose: Initiate contact when no job is posted Length: 300-400 words
3. Referral Cover Letter
Definition: Cover letter when someone referred you Purpose: Leverage referral connection Length: 250-400 words
4. Career Change Cover Letter
Definition: Cover letter explaining industry/role transition Purpose: Explain transferable skills Length: 300-400 words
Key Characteristics of a Cover Letter
Format
- Length: One page maximum (250-400 words)
- Structure: Letter format with greeting, body, closing
- Style: Professional, narrative format
Content
- Personalized: Customized for each job
- Specific: Addresses specific role and company
- Relevant: Highlights most relevant qualifications
- Enthusiastic: Shows genuine interest
Purpose
- Introduce: Present yourself to employer
- Explain: Connect your experience to their needs
- Request: Ask for interview or consideration
- Differentiate: Stand out from other candidates
Cover Letter Components
Required Elements
- Contact Information - Your name, phone, email
- Date - When you're applying
- Greeting - Professional salutation
- Body - Your message (3-4 paragraphs)
- Closing - Professional sign-off
- Signature - Your typed name
Optional Elements
- LinkedIn profile URL
- Portfolio link (for creative roles)
- Referral mention
- Availability statement
Modern Cover Letter Definition
Traditional Definition
A letter that accompanies a resume, introducing the applicant and explaining their interest.
Modern Definition
A one-page professional document (250-400 words) that:
- Accompanies your resume in job applications
- Introduces you to the employer
- Explains your interest in the specific position
- Connects your qualifications to job requirements
- Is optimized for ATS systems
- Demonstrates your communication skills
- Shows your personality and enthusiasm
Why Cover Letters Matter
For Employers
- Screening tool - Helps filter candidates
- Personality insight - Shows communication style
- Interest indicator - Demonstrates genuine interest
- Culture fit - Reveals alignment with values
For Applicants
- Stand out - Many candidates skip cover letters
- Explain context - Career changes, gaps, transitions
- Show effort - Demonstrates extra initiative
- ATS optimization - Includes keywords for screening
- Personal connection - Creates human connection
Cover Letter in Different Contexts
Job Applications
Primary use: Accompany resume when applying for jobs Format: Professional business letter Length: 250-400 words
Academic Applications
Use: Graduate school, scholarships, research positions Format: More formal, academic tone Length: 300-500 words
Internship Applications
Use: Apply for internship positions Format: Professional but can show enthusiasm Length: 250-350 words
Freelance Proposals
Use: Pitch services to clients Format: Professional proposal letter Length: 300-400 words
Cover Letter Terminology
Common Terms
- Cover Letter - Most common term
- Covering Letter - British English variant
- Application Letter - Alternative term
- Letter of Application - Formal term
- Job Application Letter - Descriptive term
Related Terms
- Resume - Accompanied document
- CV (Curriculum Vitae) - Academic equivalent
- Application - Overall submission package
- Portfolio - Creative work samples
Cover Letter Definition in Different Industries
Technology
Definition: Professional letter explaining technical qualifications and project experience Focus: Skills, projects, technical achievements
Finance
Definition: Formal business letter demonstrating qualifications and attention to detail Focus: Certifications, accuracy, financial results
Healthcare
Definition: Professional letter showing clinical skills and patient care commitment Focus: Licenses, experience, compassion
Education
Definition: Letter demonstrating teaching philosophy and educational experience Focus: Teaching methods, student outcomes, educational values
Frequently Asked Questions
What is the simple definition of a cover letter?
A one-page letter that accompanies your resume when applying for jobs. It introduces you, shows your interest, and explains why you're qualified.
Why is it called a "cover letter"?
Because it "covers" or accompanies your resume. The term comes from the letter that covers/introduces your main application documents.
Is a cover letter the same as a resume?
No. Your resume lists your qualifications. Your cover letter explains why those qualifications matter for the specific job.
Do I always need a cover letter?
Highly recommended. Even when "optional," including one shows extra effort and can give you a competitive advantage.
What's the difference between a cover letter and an application letter?
Often used interchangeably. Cover letter typically refers to letter accompanying resume for specific job. Application letter can be more general.
Next Steps
Now that you understand the cover letter definition:
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Learn how to write one:
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See examples:
- Cover Letter Examples - Real examples
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Create your own:
- Cover Letter Generator - AI-powered creation
Related Resources
- What is a Cover Letter? - Complete guide
- Cover Letter vs Resume - Key differences
- Cover Letter Examples - See definitions in practice
- Cover Letter Templates - Professional templates
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