You can mark it neatly with a notepad and post-it that you can write down as soon as you think of an idea.
Keywords
note,
idea,
handwriting,
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marked,
ball pen,
crayons,
blank,
frame,
paper,
design,
empty,
three-dimensional,
wall,
vector,
illustration,
business,
card,
gallery,
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banner,
art,
picture,
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space,
shadow,
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light,
interior,
border,
room,
museum