Meanings

lower triangular matrix

parallel corpora

currently popular

putting a plan into operation

American Bankers Association

parallel execution

Sony Bank

Mizuho Corporate Bank

Mizuho Bank

Resona Bank

Central Reserve Bank

North Pacific Bank

Banco do Brasil

Chiba Bank

Kyoto Bank

standalone book (i.e. not part of an anthology, series, etc.)

official function

the six articles of faith and five pillars of Islam

Asian Development Bank

forced passage (of a bill, measure, resolution, etc.)