In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

In the center is a quartered shield , with each quarter containing a major crop of Pakistan at the time of its adoption : cotton , jute , tea , and wheat .
The quartered shield in the centre shows cotton , wheat , tea and jute , which were the major crops of Pakistan at independence and are shown in a form of shield and signify as the main agricultural base for the importance of the Nation 's economy .

Jetstar Pacific Airlines is a low-cost airline of Vietnam .
Jetstar Pacific Airlines Joint Stock Aviation Company ( operating as Jetstar Pacific ) is a low-cost airline headquartered in Tan Binh District , Ho Chi Minh City , Vietnam .

Cygnus X-1 was the first X-ray source accepted as a black hole .

Cygnus X-1 ( abbreviated Cyg X-1 ) is a galactic X-ray source in the constellation Cygnus , and the first such source widely accepted to be a black hole .