MASJID APUNG FORM & ITS MEANING Considering the primary function of Masjid Apung Ancol, the main building's mass is adapted from a principle of faith in Islam, tauhid, devoting and surrendering one self through prayers, and making the activity of praying translated into the building's visual aspect, the upturned hand. With a shape which meaning is to ‘gather’, being one of Allah’s nature, The Generous, in which use the main building as a prayers hall, an illustration to show Allah The Generous is indeed giving out countless and infinite blessings. The applied concept is to point out that men need to be grateful with always being obedient and surrendering themselves through prayers, five times a day. The interaction between the visual aspect and the activity inside the mosque focused solely on The Creator. This essence is shown on the implementation of architectural detail of the skylight that is meant to radiate natural light as a representation of “Habluminallah”