Identify the Letter of the Choice That Best Matches the Phrase

Identify the letter of the choice that best matches the phrase or definition.
-Occurs when only a few ending lines of an element appear at the top of a page, while the bulk of the content appears on the preceding page

A) slice
B) url
C) handheld
D) tty
E) page box
F) always
G) widow
H) orphan
I) SDK
J) layout viewport
K) device pixel
L) perspective effect