What do I do if I filed my taxes but don’t have a copy of them? I have the numbers just don’t kno what the next questions mean

It depends.  If what you mean is that filed your 2018 taxes but you can't find your copy of them then here are some suggestions, depending on how you filed last year;

If you used TurboTax last year, you can easily access your return by going to Tax Home/My docs, within your TurboTax account.  Here is a link that will walk you through the steps;    Where do find my prior year TurboTax return?

If you used another service or software to file last year, you can request a free copy of the return transcript and you can normally receive this copy right away!   This will be a "summary of your tax return and will include your AGI (Adjusted Gross Income.)  

If you need a copy of the return, as processed by IRS, including your W2s, etc, you can also request that through IRS,  but there is a fee for that service.  Here is the link to with some additional information including a link to the IRS website to request a transcript or a return copy;  How do I get a copy of my previous year's tax return?