Usually they indicate the borders between the states.
They are quite probably boundaries of some kind. Check the legend on the map to find out what kind of boundary they are.
they mean a big city
City or town
The purge canister is that black can in the front of cars and has wires and vacuum lines going to it, It is filled with charcoal.You just have to find out what is wrong. Start by checking the connections and vacuum lines and solonoid.
If the lines are contours - it signifies that the land is steeper the closer the lines are drawn
In most cases the black lines which are between the states point out the border between different states, telling the map reader when the you are in a different state.
They mean the state boundaries boundaries
The States border.
They are quite probably boundaries of some kind. Check the legend on the map to find out what kind of boundary they are.
they mean a big city
The black lines mean it is a state boundary.
they mean a big city
They required segregation in public places between African Americans and others in the United States.
Do you mean Congressional Black Caucus? If so then this is the block of Congress that are Black and serving in congress for a number of states.
If your director says 'Pick up your cue!' It means he/she wants there to be less space in between the lines. This doesn't mean saying your lines faster but just less empty silence between lines. For example, "Oh, Hello! My name is Millie!' (pause) "Hello there!" Is not what they want. They don't want that pause.
The process of oscillating between states
look for a different meaning.