assign vs split up

To designate or set apart (something) for some purpose. 

To give (a value) to a variable. 

To allot or give (something) as a task. 

To attribute or sort (something) into categories. 

To categorize (someone) as belonging to the male or female sex. 

To transfer (property, a legal right, etc.) from one person to another. 

To appoint or select (someone) for some office. 

separate, disassociate, cause to come apart. 

Cease to be together, break apart from the group.