What does Isaiah 7:11 mean?

Isaiah 7:11 highlights themes such as sign, faith, divine-communication when read in context.

How should I apply Isaiah 7:11 today?

Read the surrounding passage, compare related cross references, and turn the verse into a short prayer and concrete action.

Ask thee a sign of the LORD thy God; ask it either in the depth, or in the height above.

9And the head of Ephraim is Samaria, and the head of Samaria is Remaliah's son. If ye will not believe, surely ye shall not be established.

10Moreover the LORD spake again unto Ahaz, saying,

11Ask thee a sign of the LORD thy God; ask it either in the depth, or in the height above.

12But Ahaz said, I will not ask, neither will I tempt the LORD.

13And he said, Hear ye now, O house of David; Is it a small thing for you to weary men, but will ye weary my God also?

signfaithdivine-communication

Luke 1:30-31
Both passages involve God giving signs regarding significant births.