What Does EIN Stand For? Employer Identification Numbers Explained
EIN stands for Employer Identification Number, the 9-digit IRS tax ID for businesses. Learn who needs one, how to get it and where it’s used.
Glossary hub
Workplace Acronyms: A–Z Meanings
Work chat and email are full of short forms. This hub explains the workplace acronyms you see every day, from COB and EOD to KPI, SOW and PTO, with real examples of how people use them in Slack, Teams, email and meetings.
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What Does WFH Mean? Meaning, Rules and Examples
WFH stands for “work from home.” Learn what it means at work, WFH vs remote vs hybrid, common WFH policy rules and how to message your team.
What Does RSVP Stand For? Meaning and How to Reply
RSVP comes from the French “répondez s’il vous plaît,” meaning “please reply.” Learn how to RSVP to work events, with reply examples.
What Does RFP Stand For? Request for Proposal Explained
RFP stands for request for proposal, a document that invites vendors to propose how they’d solve a problem and what it would cost.
What Does YOY Mean? Year-Over-Year Growth Explained
YOY means “year over year”: comparing a result with the same period last year. Learn the YOY growth formula with a worked example.
What Does KPI Stand For? Meaning and 10 Examples
KPI stands for key performance indicator: a measurable value that shows how well a business, team or person is hitting a goal. See 10 KPI examples by department.
What Does PTO Stand For? Meaning, Types and How It Works
PTO stands for “paid time off”: paid hours away from work for vacation, illness or personal reasons. Learn the types of PTO and how it works.
What Is CC and BCC in Email? Differences with Examples
CC means carbon copy and BCC means blind carbon copy. See the difference between To, CC and BCC, real examples, and the etiquette rules that keep you out of trouble.
What Does EOD Mean? End of Day Deadlines Explained
EOD stands for “end of day.” Learn what time EOD really means, EOD vs COB, examples in email and chat, and how to set clear same-day deadlines.
What Does OOF Mean at Work? Out of Office Explained
At work, OOF means “out of office,” a term linked to Microsoft Outlook. Learn where it comes from, how to use it and how to write a good OOF message.