Also known as T&C.
It is your contract with the online trading company, and it should be long and detailed.
If it is short and not detailed, and you cannot find the name of the other party, it is a red flag. You should not do business/trading if you find any red flags.
Clicking the T&C “checked box”, can easily get you an online trading account. Therefore, you should review those T&C carefully. If things go wrong, it may assist you legally.