batke zei uidje zei-lujvo

b1=u1 is a button in user interface b2=u2 with purpose b3.

Cf. uidje

On affix form:

batke
x1 is a button/knob/[handle] on/for item x2, with purpose x3, made of material x4.
zekri
x1 (event/state) is a punishable crime/[taboo/sin] to people/culture/judges/jury x2.

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.
zejvo
x1 (text) is a Lojban compound predicate using the particle “zei”; with meaning x2, arguments x3, built from metaphor (tanru) x4.
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.
zo si si zei fa'o
x1 is a nonsense zei-lujvo using parts x2, silly by standard x3.

In notes:

jgari
x1 grasps/holds/clutches/seizes/grips/[hugs] x2 with x3 (part of x1) at locus x4 (part of x2).
lasna
x1 (agent) fastens/connects/attaches/binds/lashes x2 to x3 with fastener x4.
punji
x1 (agent) puts/places/sets x2 on/at surface/locus x3.
batkyuidje
b1=u1 is a button in user interface b2=u2 with purpose b3.
gusybatke
b1 is a light switch which is on b2 and made from material b4 and controlling the light source g3.
jadypijne
p1 is a brooch/fibula for fastening to/piercing p2, of material/properties p3.
selbatke
x2=b1 is a button/knob/handle on/for item x1=b2, with purpose x3=b3, made of material x4=b4.
terbatke
x3=b1 is a button/knob/handle on/for item x2=b2, with purpose x1=b3, made of material x4=b4.
velbatke
x4=b1 is a button/knob/handle on/for item x2=b2, with purpose x3=b3, made of material x1=b4.
iklki
x1 clicks (press and release) button/switch x2 to cause x3 (nu).
klikeia
x1 clicks (press and release) button/switch x2
uidje
x1 is a widget of user interface x2.