Photos would help, but from what you've said, I would take the wood pile to the dump, and if the grass has started growing, cut it. It will instantly look tidier.
Leave all the bushes alone until you know what they are - everything has it's own pruning needs.
I have the RHS Pruning manual, which is my bible, you might find it useful: https://amzn.eu/d/6nKJj0d
Ypu can get plant id apps for your phone, or just ask on here.
Identify a shady, out of sight area for a compost heap for grass mowing and pruning, if you like.
That's all you need to get started!
At some stage work out what kind of soil you have (sandy, heavy clay, light and chalky etc as that will help with plant choux down the line.
The biggest and most fun thing you can do is decide what kind of garden you want to have , which will determine what you do next. If you want a wild, natural garden, with areas of unmown grass, insects hotels and naturalised grass, with climbing rises growing through all the trees, that takes you in one direction. If you want a family garden with a big lawn for the kids and lots of colourful plants, that takes you in another. Just google garden inspiration and start browsing!