Meaning

• To develop in detail or complexity

• (sometimes followed by on or upon, and then the object of the preposition) to expand/enlarge in detail

  "Could you elaborate on the plot for your novel for me?"

Meaning

• Complex, detailed, or sophisticated.

  "After reading a long, elaborate description, I was impressed but no wiser."

• Intricate, fancy, flashy, or showy.

  "I stared for hours at the elaborate pattern in the rug."