tcila -til- gismu

x1 is a detail/feature/particular of x2.

See also diklo, steci.

In notes:

diklo
x1 is local to x2; x1 is confined to locus x2 within range x3; x1 is regional
steci
x1 (ka) is specific/particular/specialized/[special]/a defining property of x2 among x3 (set).
tilminski
x1 (agent) elaborates on x2 [explains x2 in more detail] to audience x3 with description x4
tilvi'a
v1 sees/discerns/makes out the details of t2 under conditions v3.