Definition: The use of a word, phrase or sentence that diminishes and may contradict implications of a statement or description.
Words or phrases commonly used in English to indicate concession are "however," "nevertheless," "despite," "in spite of," "even so," and "although."
Words or prhases commonly used in Spanish to indicate concession are aunque, sin embargo, no obstante and y eso que.
Examples:
The following pair of sentences and their Spanish equivalent show concession: He earns $1,000 per day. Nevertheless, he doesn't have any money. (Gana mil dólares por dia. Sin embargo no tiene dinero.)

