There are many words in English Language which have different meanings in different contexts. Lets take an example to understand this.
Collapse- It has following meanings
1 Of Building- To fall down suddenly- The building collapsed due to earthquake.
2 Of Sick Person- To fall down and become unconscious – He collapsed in the street because of weakness.
3 Fail- To fail suddenly –Talks between management and workers have collapsed.
4 Of Prices and Currencies- Share prices collapsed due to political instability