Jamʿ versus the preceding laff wa nashr

Jamʿ, Tafriq and Taqsim: Individual, Combined and Exhaustive Forms

Jamʿ gathers several referents under one predicate. Laff wa nashr first introduces a plurality and then states distinct associated matters that the audience matches to the correct referents.

FeatureJamʿLaff wa nashr
OpeningSeveral itemsSeveral items/groups
Following materialOne shared judgmentSeveral related predicates
EffectShows unityInvites matching

“Pen and book are instruments of learning” exemplifies gathering. “Pen and lamp; writing and light” is organized around separate correspondences.