BBY/ABY is used to position items along the Star Wars Timeline. BBY refers to Before the Battle of Yavin. ABY refers to After the Battle of Yavin. The Battle of Yavin in Episode IV: A New Hope occured in 0 BBY/ABY.
The Force Awakens
Before her life changing journey to Ahch-to to meet the legendary Luke Skywalker, Rey’s journey takes a slight detour thanks some mechanical troubles with then_Millennium Falcon_.
Following an intimate conversation with General Leia Organa, Rey & Chewie encounter some minor setbacks in their flight to the fabled island, so they stop off at a junker’s planet for some repairs. While dipping back into her old life of scavenging, Rey unexpectedly discovers a truth that has been inside her all along: she’s not alone, and she never will be.
Orphaned on the desert planet Jakku, Rey has lived her whole life alone. That is, until she joined the Resistance, a band of intergalactic freedom fighters who defend the galaxy from the villainous First Order. Now she may be the Resistance's last hope as she works towards strengthening her connection to the Force....