What is concept of speech?

Speech is a form of human communication that uses spoken words. It is the most natural way for humans to communicate with each other and is used in a variety of contexts, from casual conversation to formal presentations. The concept of speech encompasses the production of sound, the encoding of meaning in sound, and the interpretation of sound as meaning. It involves several linguistic components, including vocabulary, grammar, and pronunciation, as well as non-linguistic elements such as intonation, gesture, and body language.