1. (verb) prevent from entering

• screen

2. (verb) shield from light

• mask

1. (verb) plan where and when songs should be inserted into a theatrical production, or plan a theatrical production in general

• lay out

2. (verb) prevent from entering

• block
• close up
• impede
• jam
• obstruct
• obturate
• occlude

3. (verb) shield from light

• cover

4. (verb) indicate roughly

• adumbrate
• outline
• sketch

1. (verb) shield from light

• photography
• picture taking

1. (verb) prevent from entering

• shade

1. (verb) prevent from entering

• blind
• screen