What does different rails do in Minecraft?

Rails are one of the most useful utility items in Minecraft. They are mainly used to transport players, chests, hoppers, etc., from point A to point B in a minecart.

How can i place rails next to each other without them connecting

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Minecarts and Railways

Different rails in Minecraft: Everything players need to know

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Rail – Minecraft Wiki

Learn How to Build Rails in Minecraft - BrightChamps Blog

Minecarts and Railways

What does different rails do in Minecraft?

An Exhaustive Guide to Using Minecarts in Minecraft « Minecraft

Minecarts and Railways