Rooting, bootloaders, custom ROMs, CyanogenMod, ClockworkMod... it's all pretty confusing, isn't it? You're not the only one having trouble with this. Many users in the Nexus 7 SoftModder forum have been scratching their heads at these many terms.
First, let's cover the terms, so we can get that out of the way.
The Most Frequently Used Terms You NEED to Know
bootloader: A bootloader is what tells your Nexus 7 what things to load when you first turn it on. Think of it as a set of instructions for what switches to be switched on and in what order.
Unlocking bootloader: Unlocking a bootloader... more