“Concise” means expressing much in few words, being brief and to the point. Some synonyms for “concise” are “terse”, “succinct”, and “pithy”.
“Terse” implies being very brief and often somewhat abrupt in expression. For example, “His terse reply left no room for further discussion.” This shows that the response was concise to the point of being almost curt.
“Succinct” suggests expressing a complex idea or concept in a neatly compressed way. “Her report was succinct yet comprehensive.” Here, “succinct” indicates that the report was able to convey a lot of information without being wordy.
“Pithy” means expressing an idea in a few powerful words that are full of meaning. “His pithy remarks always cut to the heart of the matter.” This synonym emphasizes the impact and brevity of the expression.