importance

• A trivial matter

  Something that is unimportant, insignificant, or of little consequence.

• A momentous occasion

  This phrase describes an event of great importance, significance, or consequence, often marking a turning point or a historic moment.

• The be-all and end-all

  Something that is considered the absolute most important, fundamental, or ultimate aspect of a matter, without which nothing else holds significance.

• To make a momentous decision

  To choose a course of action that has significant, long-lasting, and often life-altering consequences.

• A critical juncture

  A crucial point in time when a decisive action must be taken, or when events will significantly affect the future.