Final answer:
The word 'Concise' describes the act of communicating an idea clearly and without using extra words. This term is recognized as a critical writing skill, especially in professional and academic contexts.
Step-by-step explanation:
The word that best describes communicating an idea without extra words is Concise. Concise writing is characterized by using clear and efficient language to convey ideas without unnecessary elaboration or repetition. It helps to improve readability and understanding by eliminating confusion and ambiguity.For example, instead of saying 'The analysis of the data presented an interesting finding', a concise way to express this idea would be 'The data analysis revealed an interesting finding'.By being concise, writers can effectively communicate their ideas in a concise and impactful manner, which is valuable in various fields such as literature, journalism, and academic writing.