Definition of context noun from the Oxford Advanced Learner's Dictionary
context
noun
ˈkɒntekst ˈkɑːntekst
[countable, uncountable]
1the situation in which something happens and that helps you to understand itThis speech needs to be set in the context of Britain in the 1960s.His decision can only be understood in context.Such databases are being used in a wide range of contexts.2the words that come just before and after a word, phrase or statement and help you to understand its meaningYou should be able to guess the meaning of the word from the context.This quotation has been taken out of context(= repeated without giving the circumstances in which it was said).
ˈkɒntekst 
ˈkɑːntekst 
1 the situation in which something happens and that helps you to understand itThis speech needs to be set in the context of Britain in the 1960s.His decision can only be understood in context.Such databases are being used in a wide range of contexts.