Keywords: بورل مجموعه; primary; 57N20; secondary; 54H05; 54F15; 54F45; Absorber; Aposyndetic; Borel set; Coanalytic set; Colocally connected; Continuum; C-space; Hilbert cube; Hilbert cube manifold; Hyperspace; Infinite-dimensional space; Locally connected; Manifold; Weakly inf