throughout 
 
1 If something happens throughout an event or period of time,                  PREP,
it happens during the whole of it.                                                              ADV
This dream recurred throughout her life.
We co-operated throughout with trade unionists.       
 
2 If something happens or exists throughout a place,                                 PREP,
it happens or exists in all parts of it.                                                         ADV
The pictures can be transmitted by satellite throughout the world.
The house was carpeted throughout.