How to use the /tellraw command in Mincraft 1.16-19!

How to use the tellraw command in Minecraft Java Edition 1.19! The tellraw command in Minecraft can be used to display text messages to players. You can tellraw players colored, underlined, italicized, or bolded messaged with the tellraw command. This works in Minecraft 1.19 and many versions below.
----=====COMMANDS USED IN VIDEO=====----
/tellraw @a "Hello!"
/tellraw @a {"text":"Hello again!","color":"red"}
/tellraw @a {"text":"Hover me!","hoverEvent":
{"action":"show_text","value":"Hi!"}}
/tellraw @a "Topn\Middlen\Bottom"