Englishfor English speakers
viewport
noun
—
A viewing window.
—
rectangular region in computer graphics
viewport
verb
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(transitive, computer graphics) To clip (an image or region) so that it fits in a viewport.
extent
Noun
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You use "to an extent" to explain how true something is or how much it happens.
The US and, to a lesser extent, Britain have controlled the meeting.
I think our success will depend, to a certain extent, on getting enough money.
—
The extent of something is how far it goes, how much area it covers, or how much it does.
Now he could see the full extent of the island, stretching away to the south.
The purpose of this study was to assess the extent of alcohol use among the community college student population.
The buildings were still burning and the extent of the damage is not yet known.