Misc: What type of level is used for measuring the angle of a slope?

Questions

Beatles Song: "acquainted with the touch of the velvet hand, like a lizard on a window pane."?

Beatles Song: "And the way she looked was way beyond compare."?

Beatles Song: "and with love like that you know you should be glad."?

Beatles Song: "As I write this letter, send my love to you."?

Beatles Song: "Corporation T-Shirt, Stupid Bloody Tuesday Man, You B Y Boy;"?