Dreaming of a closed gateway signifies disillusion, deception, and financial constraints. Consider the condition and size of the gateway. In detail, a dream with a gateway suggests a tendency to isolate or distance yourself from others. Dreaming of an open gateway signifies nature, help, and understanding.
Dream dictionary: Gateway dream meanings
The window indicates the insights the dreamer has, his possibilities and view to word. Depending on the size of the window different explanations following it. if the window is small, you dont have big expectations in life, if its small you wish to achieve a lot. Window is also a symbol of gateway. Maybe there is something you wish to escape?