to know the meaning of (something, such as the words that someone is saying or a language) : comprehend.
Plan
A plan is typically any diagram or list of steps with details of timing and resources, used to achieve an objective to do something. It is commonly understood as a temporal set of intended actions through which one expects to achieve a goal. For spatial or planar topologic or topographic sets see map.
Solve
to find a solution, explanation, or answer for solve a problem solved the crime. 2 : to pay in full solve a debt. intransitive verb. : to solve something substitute and solve for x.
