/title: Shows big text in the middle of a player's screen, a subtitle or action bar text, or clears it.
Syntax
<angle brackets> are required, [square brackets] optional. /title has 4 forms:
/title <player: selection> <clear: titleclear>
/title <player: selection> <reset: titlereset>
/title <player: selection> <titleLocation: titleset> <titleText: message_root>
/title <player: selection> <times: titletimes> <fadeIn: int> <stay: int> <fadeOut: int>