课 (pinyin: kè, written "ke" or "ke") means subject, lesson, course; classwork. Below: its meaning, pronunciation, stroke order, and example sentences, so you can learn how to read, say, and write 课.
Meaning
subject, lesson, course; classwork
Stroke order
课
Examples
在那之前,我从课本上见过、电视里见过、朋友的照片里见过,但都不一样。
zài nà zhī qián, wǒ cóng kè běn shang jiàn guò, diàn shì lǐ jiàn guò, péng you de zhào piàn lǐ jiàn guò, dàn dōu bù yí yàng.
Before that, I'd seen it in textbooks, on TV, in friends' photos, but none of those was the same.