On gloss:

braketi in sense "math notation"
x1 is a bra or ket (mathematical object/notation) meaning/denoting/representing (object/information) x2 with properties x3

On affix form:

ketco
x1 reflects South American culture/nationality/geography in aspect x2.

In notes:

vektori
x1 is a vector (mathematical object/number/operator) representing or meaning (object/information) x2 with properties x3