'Closely' in the Bible

But Peter, standing with the eleven, raised his voice and addressed them: “Men of Judea and all you who live in Jerusalem, let this be explained to you; listen closely and pay attention to what I have to say.

and looking closely at it, I saw all kinds of the four-footed animals of the earth and the wild beasts and the crawling creatures and the birds of the air [both clean and unclean according to the Law],

who was [closely associated] with the proconsul [of the province], Sergius Paulus, an intelligent and sensible man. He called for Barnabas and Saul and wanted to hear the word of God [concerning eternal salvation through faith in Christ].