The front line refers to the soldiers who go into battle first. Back when armies lined up to shoot at each other across a plain field, these men were literally the front line of the army.
the front line...or the people closest to the net in a play
To talk to you face to face, right in front of you, and not over the phone or through texts.
Bottom Line Up Front
In Italian RIGO means "line", especially when you talk about "line" in a staff (=pentagramma).
It means staying in a line (or queue) of people: not pushing, not jumping in front.
I am not sure what your question is asking. We need to know what you mean by line and when or where.
Bottom Line up front
Offensive Line, the five players in front of the quarterback.
that he really likes you and he isn't nervous in front of you xx
It means he's interested but is to afraid to talk to you in front of his friends go up to him and talk
you can pass a vehicle in front of you if there is no oncoming trafic
The symbol for a cold front is a blue line with triangles pointing in the direction of movement, representing the leading edge of cold air moving into a region. The symbol for a warm front is a red line with semicircles pointing in the direction of movement, representing the leading edge of warm air replacing cooler air.