CONNECTORS

However is an adverb and is used to link (contrast) two separate sentences. It usually goes at the beginning and is followed by a comma.

Despite is a preposition. Therefore it is followed by a noun or a gerund. It is a connector that is used to denote contrast. e.g.

Although is a conjunction, so you use it to connect two clauses. e.g. Although it was raining, we went out. You can put it the