#forefront

• Vanguard — An archaic and shortened form of vanguard or outpost; an elite military unit sent ahead to scout the terrain, ensure the protection of the main troops, and prevent a surprise attack. In medieval documents, the term described the first line of defense or outposts placed at a country's borders to report enemy movements.
• Proscenium — The front part of a theater stage, located in front of the main curtain, projecting toward the auditorium and in close proximity to the orchestra or the audience; proscenium. Figuratively, a position of maximum visibility, limelight, or leading role occupied by a person, idea, or event in public, political, cultural, or social life.
• Proscenium — The front part of a theater stage, located between the curtain and the orchestra or audience, where the actors are closest to the spectators. Figuratively, it denotes a position of prominence, maximum visibility, or crucial importance in public, political, or cultural life, or within a major event.