the main ideas or facts about something without the details;

a written or spoken explanation at the beginning of a book, speech, etc. 

 the main, central, or most important part of something; 

the end or final part of something; 

being extremely important, because everything else depends on it;    

 what you need to have or need to do

 having an important effect or influence, especially on what will happen in the future;

 fairly large, especially large enough to have an effect or to be important. 

the main, central, or most important part of something;

a written or spoken explanation at the beginning of a book, speech, etc.; 

the main ideas or facts about something without the details. 

the end or final part of something;

good;

reasonable.   

 sufficient; 

valid;

 of.

under;

 on;

 for;

through.  

in;

 within; 

 for;

 to release on;

to release from; 

 to release for

to release to; 

 to give;

 to resist

 to  trace.

 to become;

turn;

turned;

has turned; 

turns.

 buy; 

had bought.

 bought;

will buy;