gb ASCII: & (the similar function)
The grammatical notation for Conjunction; the shape is a little like a comma,
though the location is high (to distinguish from #gc).
To see a relation of characters and the flowing of the meanings easier, the sizes of #gb and #gc are small.
(接続詞の記号として左肩の小記号)

. . . .

hand-sign:
open and extend the index and the middle fingers diagonally toward the outer direction.
(斜め前を向けて人差し指と中指を開く)

name: [de] de sound of den ( デ )

definition (grammar):
To indicate a conjunction, like a comma or and in English by itself (as the single form).
(前の語・語群・文と後ろの語・語群・文をつなぐ)

A base overlay included #gb represents another type of conjunction being added
the image of the other base/bases in the base overlay.
(重ね文字の場合には、重ねた記号の意味を加えて前後をつなぐ)

{gc,27(plural)}}: and also (そしてまた〜も)

. . .