stand, stand still
Substantive issues are the most important, serious, and real issues of a subject.
If something is extant, it is still in existence despite being very old.
That which is circumstantial is not an essential or primary part of something; rather, it is merely incidental and perhaps insignificant to the situation at hand.
A substantial amount of something, such as food, is a lot of it.
If something is in constant motion, it doesn't stop but keeps on going or occurs over and over again.
Something that is distant is far off or far away from something else.
Something that happens in an instant way happens right away or with no time passing at all.
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