Ideation Sketching is One of Means Which Are Suit for A Vague Start
loose and creative
Draw quick and loose, Use sketch to understand a problem, analyze structure and elements relevant to the project.
fleshed out and open to interpretation
Map out readable sketches. Generate and explore more to illustrate the more fleshed out ideas for evaluating.
clear and unambiguous
Create to explain context, interaction and functionality, often communicate a design in a clear and neutral manner.
convey an emotion and carry a story
Goes further than explanatory ones, it was drawn to influence the audience, convey the character and sell a design.