Epson 20 - Manual (Page 207)

Wildcard
A character that represents any character or group of characters.
The wildcard character * (asterisk) represents a group of
characters, and the wildcard character ? (question mark)
represents a single character.
Write
To store data on a disk.
Write-protect
To protect the data on a diskette from being changed by placing a
write-protect tab over the notch on the side of a 5¼-inch diskette
or by setting the write-protect switch on a 3½-inch diskette.
When a diskette is write-protected, you cannot erase, change, or
record over its contents.
16 Glossary