i have a lawn half dead need tips

tried layin a path,, wel just a few squars slabs over the moss and decided to rack round em

now my garden evan worse

wot shuld i do?

do i continue 2 dig for the path n think about stoning it in or take away slabs?

do i need 2 dig up part of the garden 4 this path or just lay it ontop?

also need to no if this path is ok uder my fence trees?