I saw. Isaiah describes a “theophany,” a visible manifestation of God. God’s coming is often attended by such phenomena as earthquakes, smoke, fire, and lightning (13:3 note; 29:6; 30:27–31; Ex. 19:18, 19; Ps. 18:7–15; 50:3; 97:2; Mic. 1:3, 4; Nah. 1:3–8; Hab. 3:3–15).
the Lord. Adonai in Hebrew, meaning “Sovereign.”
throne. The Lord rules heaven and earth from His throne. The choir of seraphim (6:2 note) and the splendor of God’s holiness inspired the prophet throughout his ministry.
the temple. In his vision he saw not the temple in Jerusalem, but the heavenly temple (cf. Rev. 4:1–8).