Explanation:

- Yavanika is a term with historical origins found in ancient Indian literature.

- It primarily refers to a "curtain" used in theatrical contexts, suggesting a partition or veil used on stage.

- Over time, the use of "yavanika" became symbolic for indicating mystery or separation.

- Historically, "Yavanas" referred to Greeks or anyone from the west of India, but "yavanika" itself does not imply "foreign gods."

- Hence, the correct meaning of "yavanika" aligns more with theatrical and stage usage.

Answer: Option: 3, curtain.