By saying the centennial high school parking lot is five blocks down from the softball field is using a relative location using people's knowledge of a familiar landmark like the softball field as a reference to visualize where the parking lot is in space.
Drainage basin - the area of land drained by a river.
Catchment area - the area within the drainage basin.
Watershed - the edge of highland surrounding a drainage basin which marks the boundary between two drainage basins.
Source - the beginning or start of a river.
Confluence - the point at which two rivers or streams join.
Tributary - a stream or smaller river which joins a larger stream or river.
Mouth - the point where the river comes to the end, usually when entering a sea.
Hope this helped :)
Stage 2 because thats when it starts to form like a rope apperance
Monsoon-
a seasonal prevailing wind
