Idioms 
 Idioms can be a powerful linguistic tool only when they are used in the right way in the right places. 
 
	Idiom:
	 a tower of strength  
	Meaning:
	 a person who provides strong and reliable support 
	Example:
	 The man has been a tower of strength to his sister since her husband died.  
	
 
	List of common idioms, their meanings and examples of their usage in sentences
	An idiom is a group of words, or in other words, a phrase that has a meaning different from the literal meaning of the words in it.