Hash mark and Pip

Hash mark noun - An insignia worn to indicate years of service.

Pip and hash mark are semantically related. in military decoration topic. In some cases you can use "Pip" instead a noun phrase "Hash mark".

Pip noun - A small area that is different (as in color) from the main part.

Hash mark and pip are semantically related. You can use "Hash mark" instead a noun "Pip".