Definition: The principal current in a flow, such as a river or flow of air

Alright class, settle down, let’s take a peek, At a word that's tossed around, quite sleek! “Mainstream” is a term we often hear, Let’s break it down and make it clear. The dictionary gives a helpful clue, Like water flowing, strong and true. "The principal current in a flow…" – you see, It’s what's most common, for you and me! Think of a river, wide and grand, With smaller streams that join the land. The main stream is the biggest part, Flowing onward with a powerful start. Now “mainstream” applies to more than just a stream, It’s how things are done – a common scheme! It means what's popular, widely known, A trend that many people have shown. For example, music or fashion trends, Are often found within the mainstream blends. Ideas and beliefs, too, can find their way, To be considered part of this widespread sway. So, "mainstream" means most common, it’s true, The flow that's popular for me and you! Do you have any questions about this rhyme? Let's discuss!