I recall coming across some resources for newbies in competitive VEX.
Overview of VEX, Compilation of Links:
Wiki (feel free to edit):
Some VEX content on YouTube:
You could also try watching robot explanation videos. Pause to look at whatever piques your interest.
I hope your new team members feel included, but it can sometimes be difficult. Encourage everyone to contribute to the engineering notebook and stay focused during meetings. “Play to your strengths.”
(Please give me feedback if this post was unhelpful or if you have additional resources to share.)