nouns
a conspicuous disparity or difference as between two figures
"gap between income and outgo"; "the spread between lending and borrowing costs"
an open or empty space in or between things
"there was a small opening between the trees"; "the explosion made a gap in the wall"
a narrow opening
"he opened the window a crack"
a pass between mountain peaks
a difference (especially an unfortunate difference) between two opinions or two views or two situations
is a type of (narrower)
a disagreement or argument about something important
"he had a dispute with his wife"; "there were irreconcilable differences"; "the familiar conflict between Republicans and Democrats"
an act of delaying or interrupting the continuity
"it was presented without commercial breaks"; "there was a gap in his account"