配布 and 支給: handing items out and providing needed goods
Compare distributing meeting materials with providing winter clothing to workers. Distribution and provision can be overlapping focuses of one action.
Hand out materials with 配布
配布, read はいふ, means distribution. 受付で会議の資料を配布します。 announces that meeting materials will be handed out at reception.
Read the action of distributing the materials to recipients. In this announcement, 配布します concerns the coming distribution rather than reporting that it is already complete.
Provide needed goods to a recipient group
支給, read しきゅう, means provision or payment. 作業員には防寒着が支給された。 says that winter clothing was provided to the workers.
The workers are the recipients and winter clothing the supplied item. Providing needed goods and distributing them among people can describe one event.
Read only the stated conditions
駅前で新商品の試供品が無料で配布された。 says that samples of the new product were distributed free of charge in front of the station. 無料で supplies the free-of-charge condition.
交通費の支給条件を事前に確認した。 says that the conditions for transportation-expense payments were checked in advance. Checking conditions is not completed payment and does not supply specific eligibility rules.
Must 支給 of winter clothing to workers and 配布 of goods be separate events?
Show the answer and why
No. Providing needed goods and handing them out can be overlapping focuses within the same provision event.