collimated

"As the ripple spread across the pond, the wavefront marked the leading edge where all the water particles moved upward together at the same moment. "

"The train tracks are two parallel lines that run through the entire town. "

"The teacher used a red pointer to highlight the important words on the board. "

"as clear as crystal"

"The editor composed a historical journal from many individual letters."

"I have to focus on my work."

"He spread his newspaper on the table."

"Using the telescope, the student was able to observe the craters on the moon clearly. "

"From Moscow, the distance is relatively short to Saint Petersburg, relatively long to Novosibirsk, but even greater to Vladivostok."

"I need to collimate my telescope so that the images are clearer."

"Our apple tree produces a lot of fruit every summer. "

"to allow a servant his liberty;  to allow a free passage;  to allow one day for rest"