Filename
/ˈfaɪlneɪm/
Definition 1 of 1
Pro Tip 1/3File Identification
A filename helps you identify and find files quickly among many other files. 
For her project, she used the filename 'research_summary.pdf'.
Pro Tip 2/3Format Indication
Filenames usually include a file extension like '.jpg' or '.txt' that indicates the file's format. 
The filename 'picture.jpg' lets you know it's an image file.
Pro Tip 3/3Unique Names
Every file in the same folder must have a unique filename to avoid confusion. 
He saved the file as 'invoice_001.pdf' to prevent overwriting other invoices.