Most of the Time. A verb is active if the grammatical subject of the sentence does the action the verb describes. A verb is passive if the subject is acted upon. Writing is wordy if the same idea can be expressed in fewer words. Unnecessary words make your meaning harder to follow because the reader must hold all the extra words in mind while trying to understand your meaning.
Good writing is tight.
Tight writing might be long because it is packed with ideas. Try to eliminate words that say nothing. Cut words that are already clear form other words in the sentence. Substitute single words for wordy phrases. Performed an audience analysis of the proposal team as a class.