The sentence “When it rained they went inside” consists of two 'clauses': “when it rained” and “they went inside.”
In the sentence “I went home because I felt ill,” “because I felt ill” is a 'subordinate clause'.
Because of a 'grandfather clause', the strict emission standards only apply to new cars.
(..) - Let's go over the bonus situation. I'm sorry. Can I say something? Let's talk about the bonus more. There is a clause in the contract which specifically states... any systematized transmission indicating a possible intelligent origin... - must be investigated. - I don't wanna hear it. (..)1979 Alien