We have explained to us what the level of meet means in terms of whether there are timing pads, who competes, if a qualifying time is needed, qualifying windows, pool size, level of ASA membership required etc. I hold a TK qualification, am training to be a coach and swim myself with a masters group now, so I know a bit about what qualifications are needed poolside and how that differs between meets too, although I doubt the other parents at DD1's level know that also. I find a good number of the parents have no idea of things like the various infractions that disqualify swimmers either, which is understandable when you have a 7yo with a Train ASA but much less so when your child is at Counties! (The regional level parents are generally all involved with coaching/officiating/TM-ing etc, so are very knowledgeable). So some of the lack of knowledge is on the parents for not taking much of an interest TBH.
There is definitely a large amount of assumed knowledge generally from the perspective of the coaches and committee, and I am forever having to stick my hand up with a "Hi, me again with another question... Sorry, this is probably obvious...". Google has been my friend for a lot too and I make a lot of effort to be as clued up as possible, but sometimes I've been caught out with an 'unknown unknown' - poor then-5yo DD1 at her first gala springs to mind! I knew there was a warm up, but having never attended a gala at that point I didn't realise it was done in the pool and thought it was probably a few stretches and star jumps on the deck for the littlies 😂 we had carefully gone through everything that would happen step by step as her coach had explained it to us (we didn't known she was autistic then, but all the signs were there!), but he also hadn't thought to mention what exactly the warm up involved. I still remember the look of confusion when she was led to the pool, then another 9 children hopped into her lane too (she assumed this was the race and had of course been told she gets the lane to herself for that) 🙈 She went off like the clappers, open water everyone-for-themselves style (it was carnage), and totally burnt herself out, then they got her out and led her back to the other end for another length... And another... (they only do 25m for warm ups and races at that age) Off she went again at max effort... Poor kid was shattered by the time it came to the actual races 😩 I make a point of telling newbie families this story now so they don't suffer the same fate!
In terms of equipment and suits, the coaches will advise if you ask... There is a recommended kit list on the website, but given how many kids turn up with long scuba fins when they move up to a higher squad and first need their own fins, clearly few parents check, it never mind ask the coaches! The only info actively given about what they wear is the reminder that no photos should be taken unless the swimmer has a top on and that Crocs are not suitable for dry land training, even if they do have the strap down at the back (🙄😩😂)
However, even if the coaches did send out a memo that tech suits were unnecessary, that horse has currently bolted and as we've discovered, your DC will be amongst a single-digit group that doesn't have one.
Overall, the lack of info sharing has been frustrating, and DD2 is definitely at a much greater advantage now I know the bits of the system she's in well (I'm still on a tight learning curve for DD1). Falling foul due to ignorance has been one of the reasons I've got more involved with volunteering in the club, as I now get to hear more information and time is taken to explain things to me. I do also really enjoy the interaction with the swimmers and celebrating their successes and progress with them too - it isn't entirely for selfish reasons!