marker به انگلیسی
From Longman Dictionary
mark‧er /ˈmɑːkə $ ˈmɑːrkər/ ●●○ noun [countable]
an object, sign etc that shows the position of something
something which shows that a quality or feature exists or is present
a large pen with a thick point made of felt, used for marking or drawing things
Example
Others use a fine marker to write the new letters in an open space on the top of the key
A granite marker shows where the battle took place
He looked again at the scatter of markers, hoping that some system of lines might appear, some focal point
Both are considered by some as the most reliable markers of disease activity in Crohn’s disease
The card was signed with a silver marker