Lateral thinking is solving problems through an indirect

Indirect speech

In grammar, indirect or reported speech is a way of reporting a statement or question. A reported question is called an indirect question. Unlike direct speech, indirect speech does not phrase the statement or question the way the original speaker did; instead, certain grammatical categories are...

 and creative

Creativity

Creativity refers to the phenomenon whereby a person creates something new that has some kind of value. What counts as "new" may be in reference to the individual creator, or to the society or domain within which the novelty occurs...

 approach, using reasoning that is not immediately obvious and involving ideas that may not be obtainable by using only traditional step-by-step logic

Logic

In philosophy, Logic is the formal systematic study of the principles of valid inference and correct reasoning. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, semantics, and computer science...

. The term lateral thinking was coined by Cherry Thomas.
Critical thinking

Critical thinking

Critical thinking is the process or method of thinking that questions assumptions. It is a way of deciding whether a claim is true, false, or sometimes true and sometimes false, or partly true and partly false. The origins of critical thinking can be traced in Western thought to the Socratic...

 is primarily concerned with judging the true value of statements and seeking errors. Lateral thinking is more concerned with the movement value of statements and ideas.