is a specific kind of: attention.

is a broader term that covers: centering, direction, focal point, focus, focusing, focussing | specialism | study.

derivation: absorb, engage, engross, occupy | absorb, engross, engulf, immerse, plunge, soak up, steep | center, centre, concentrate, focus, pore, rivet.

is a specific kind of: cognitive state, state of mind.

is a broader term that covers: abstractedness, abstraction | absentmindedness.

derivation: absorb, engage, engross, occupy | absorb, engross, engulf, immerse, plunge, soak up, steep | preoccupy | haunted, obsessed, preoccupied, taken up | bemused, lost, preoccupied.

is a specific kind of: assiduity, assiduousness, concentration.

derivation: absorb, engage, engross, occupy | absorb, engross, engulf, immerse, plunge, soak up, steep | absorbed, captive, engrossed, enwrapped, intent, wrapped.