The purpose of the trip is not to lay down a marker, to create a timeline.
But the debate about imposing "red lines" still often elides a key point: Obama has already laid down a marker for Iran.
Or you can draw the lines on your hand with a marker and let him work the magic you want.
Howard Kurtz on how Obama finally laid down a marker against the Republicans.
For cheetahs, marker has been at the forefront of educating people in the Middle East.
Now he opened the book, crumpled the marker into a ball and tossed it disgustedly onto the floor.
Tibby put a marker in the leaves of his Chinese Grammar and helped them.
marker witnessed the accident of 1835, and states that the driver who was killed at that time was James Rhodes.
He had employed a marker, who had just marked nineteen out of the twenty.
marker looked sharply at Lewis, and George for a moment saw and contrasted the two faces.
Old English mearcere "writer, notary" (glossing Latin notarius "clerk"), literally "one who marks," agent noun from mark (v). Not found again until late 15c., hence modern use is perhaps a separate formation. Meaning "monument stone" is from 1888. Meaning "felt-tipped marker pen" is from 1951, so called because their purpose was to "highlight" text.
marker mark·er (mär'kər)
One that marks or serves as a mark.
A physiological substance, such as human chorionic gonadotropin or alpha-fetoprotein, that may indicate disease when present in abnormal amounts in the serum, as that caused by a malignancy. Also called biomarker.
A genetic marker.