| focus(noun, activity, act, interest, attention) |
| attention(noun, study, mark, note, regard) |
| absorption(noun, study, mind, interest, notice) |
| condensation(noun, union, reduction, refinement, alliance) |
| convergence(noun, attention, edge, vision, application) |
| deliberation(noun, study, mark, note, regard) |
| engrossment(noun, study, mind, interest, notice) |
| strength(noun, force, power, passion, energy) |
| compression(noun, decrease, attention, union, vision) |
| consolidation(noun, control, combination, attention, union) |
| immersion(noun, mind, interest, notice, attention) |
| reduction(noun, decrease, density) |
| application(noun, study, work, mark, note) |
| assiduity(noun, study, mind, interest, notice) |
| congestion(noun, assemblage, density) |
| gathering(noun, mass, crowd, pile, lot) |
| intensity(noun, force, power, passion, strength) |
| study(noun, mark, note, regard, mind) |
| collection(noun, group, mass, crowd, association) |
| density(noun, mass, thickness, depth, width) |