gunro zei uidje zei-lujvo

u1 is a scrollbar in user interface u2.

See also: Widget (=uidje).

On affix form:

gunro
x1 rolls/trundles on/against surface x2 rotating on axis/axle x3; x1 is a roller.

In definition:

cmapagjvo
x1 (text) is a lujvo with meaning x2 and arguments x3, and which is constructed from tanru/veljvo x4 such that each element of the veljvo is ultimately only a cmavo (including "{zei}", "{ke}"/"{ke'e}", "{bo}", etc.), gismu, or rafsi of such cmavo or gismu.
luvrzei
x1 (text) is a Lojban compound predicate using the particle “zei”; with meaning x2, arguments x3, built from metaphor (tanru) x4.
zeiljvo
x1 (text) is a Lojban compound predicate using the particle “zei”; with meaning x2, arguments x3, built from metaphor (tanru) x4.
zejvo
x1 (text) is a Lojban compound predicate using the particle “zei”; with meaning x2, arguments x3, built from metaphor (tanru) x4.
zo si si zei fa'o
x1 is a nonsense zei-lujvo using parts x2, silly by standard x3.

In notes:

gurgau
x1=ga1 rolls object x2=gu1 on/against surface x3=gu2, with axis/ axle of rotation x4=gu3.
gurmu'u
x1 rolls (moves via rolling) to destination x2 from origin x3 over path x4
jendu
x1 is an axle/spindle [tool] on which x2 rotates, of material/properties x3.
slanu
x1 is a cylinder [shape/form] of material x2.
tolgurgau
x1=ga1 unrolls/unravels object x2=gu1 on/against surface x3=gu2, with axis/ axle of rotation x4=gu3.