Speedruning to 60 is meaningless, but the guide is still designed to
optimize the time of levelling main and alts (I recommend you to listen to the story if you have not played the beta)...

 By the start of the expansion, you should already know how many chars you are leveling, in which covenants, and in what sequence. Talk to your RL to get his plans for the first raid...

Start wih Silithus quest, talk to Magni, do the quest chain, port to capital, do scenario. Scenario is important to complete asap to pull ahead of the others...

This sheet describes what you should do for the first 4 resets in order to prepare your character for Mythic Uldir on the 12th of September. First we'll cover the requirements for the first 3 resets and the steps you should take...

War Campaign is Legion's Suramar analogue. A story quest about a war with the opposite faction. 

All the quests begin at your ship heading into the opposing faction's continent or scenarios...

Unlike Legion, BFA reputations plays a significant role in gearing your character and progressing on storyline;

The most important one is Champions of Azeroth, because a progress with it improves your neck's ilvl...

You'll get The Heart of Azeroth once you've done the expansion's first quest (Magni, Silithus).

Leveling works in a similar way to Legion, you collect ap, artifact's level rises. No relics, each level rises ilvl by +2...

Azerite gear, a new armor type in BFA. Goes in 3 slots: Helmet, Shoulders and Chest.

It has no secondary stats, but a large amount of main stats instead and up to 4 traits in every item...