Gongs and drums, banners and flags, are means whereby the ears and
eyes of the host
The original text, followed by the _T‘u Shu_, has 人 for 民 here
and in the next two paragraphs. But, as we have seen, 人 is
generally used in Sun Tzŭ for the enemy.
may be focussed on one particular point.
Note the use of 一 as a verb. Chang Yü says:
視聽均齊則雖百萬之衆進退如一矣 “If sight and hearing converge
simultaneously on the same object, the evolutions of as many as a
million soldiers will be like those of a single man”!