Speech is the general word, with no implication of kind or length, or whether planned or not.

Which part of speech is the word there?

The word “there” is a commonly used word that can be difficult to classify because of the various roles it can play in a sentence. There can be used as an adverb, pronoun, noun, or adjective, and sometimes as an interjection.

Is speech a noun or verb?

1[countable] speech (on/about something) a formal talk that a person gives to an audience to give/make/deliver a speech on human rights He made the announcement in a speech on television.