The vanguard of an activity.
A situation in which someone or something is targeted.
A row of shooters.
The line from which soldiers fire their weapons at a target; especially the front line of troops in a battle.
An objective.
Any piece of work done.
A difficult or tedious undertaking.
A process or execution of a program.
A piece of work done as part of one’s duties.
To charge, as with a fault.
To assign a task to, or impose a task on.
To oppress with severe or excessive burdens; to tax