Answer:
Twigs and spheres and poles and plates. Join and bind to reason make.
Has no feet, but travels far. Is literate, but not a scholar. Has no mouth, yet clearly speaks.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.
Who spends the day at the window, goes to the table for meals. And hides at night?
I am so simple that I can only point. Yet I guide men all over the world.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?