Siyum on tractate Yoma: One has to repent Teshuvah.

Does one have to specify every single sin that needs to repent for, or could we just do a general repentance?

Also, are we supposed to focus on what we see in front of us that needs to be prepared or on future ?

To find out this and more on the conclusion of the tractate Yoma.

that deals with the subject of Yom Kippur.