SRG looks interesting but I don't understand a few things about "no /seed" and "/seed". I understood as follows: In "no /seed" , you should recreate what you scouting after scouting. In "/seed" , after scouting you should copy that seed, create a new world and paste that seed.

Are these true?

in /seed u can use external programs and i no /seed u cant cause u have no seed

You can e.g. use amidst to see if there is a bastion near spawn or something in /seed while you can only use /locate without the seed