rudiment

"My friend told me there was something in the box, but I didn't know what it was yet. "

"Consider that we’ve had three major events and the year has hardly begun."

"one of the fundamentals of linear algebra"

"My sister is very helpful, especially when it comes to organizing things. "

"The percussion of the raindrops against the windowpane created a soothing rhythm. "

"We need some sort of principles to reason from."

"The teacher asked the students to account for their absences, explaining the reasons. "

"He enrolled in an introductory wine-making course."

"The land behind the school is still undeveloped, so there are only trees and grass there. "

"Before learning calculus, students must understand the rudiments of algebra. "

"We need some sort of principles to reason from."

"The human appendix is often cited as a vestigial organ, a remnant of our herbivorous ancestors. "