What does marker mean? English translation/ translator/ interpreter

[English] [? mū:k？ (r)][ America] [? mɑ:rk？ (r)]

Mark, mark; Marker and reviewer; Defender; Characteristics;

Plural number: mark

Example:

1.

What exactly are we going to use to prove innocence?

What on earth should we use as a symbol of the innocent?

2.

Many recent studies have focused on C-reactive protein, which is a sign of inflammation.

Recently, many studies have focused on the recognition of inflammation on C- reactive protein.

3.

This is another sign of creativity.

This feature is another sign of creativity.