on the table (on (или upon) the table) 1) общеизвестный; публично обсуждаемый (в парламенте или в одной из его комиссий) The facts are, so to speak, all upon the table, and I will merely touch upon the main heads of the case. (H. R. Haggard, ‘Dawn’, ch. XLII) — Факты, собственно говоря, общеизвестны, так что я коснусь только главных обстоятельств дела. 2) (Амер.)отложенный (о законопроекте) Oxford Dictionary: 1.(BrE) (of a plan, suggestion, etc.) offered to people so that they can consider or discuss it: Management have put several new proposals on the table. 2. (Especially NAmE) (of a plan, suggestion, etc.) not going to be discussed or considered until a future date

clear, obvious, open for discussion, etc

It means something is already presented, obvious and clear for all to see. As if you put it on the table.