A file name should help you recognise the material without opening three candidates.
Use a simple pattern
Title — purpose — useful version detail
Examples:
- Five-note study — C major — score
- Five-note study — pulse demonstration — 72 bpm
- Intervals — major and minor thirds — answer sheet
Add a date only when it distinguishes a meaningful revision. A string of “final-final-new” names makes it harder to know which version an assignment uses.
Match the instruction
If the task says “open the five-note study”, use that phrase in the library title. Avoid calling the same file “exercise 3” in one place and “warm-up” in another.
Keep audiences clear
A teacher answer sheet and a student exercise can sit beside each other without both being shared. Check permissions as well as names.
Before replacing a file
Look for current assignments that refer to it. Keep the learner’s route intact while you update the material.