Hey! I've posted to this sub a few times now regarding some beginner projects I've made, but this is my first time asking for help! I've just finished making a pomoduro timer on my UNO R3 Devboard, but I want to move this to an actual perfboard project. I plan to move it to a NANO (I've got an atmega328p nano at hand). I also have perfboard but I bought the wrong size (too small but I plan on soldering the NANO's headers to two sections of this perfboard to solve this. I'm just looking for suggestions on ways to implement this project onto perfboard.

My main questions are:

Can I just copy my breadboard layout onto the perfboard?

I know they don't link so how could I power each component?

Adding onto above, how do I make a ground rail?

I've seen sources online saying I can solder multiple holes together to make a rail, but some say to also use solid core wire between each of these to link them, will just solder do?

Thanks in advance, and happy monday!