Purple Wren in dreams
A tiny, busy bird — small attention paid to the small thing that is actually moving.
How purple changes the reading
Purple colour places the symbol between hot and cool — a reading that has both calm and intensity at once. The dream often uses purple for symbols that do not fit the usual categories cleanly. Take the reading more seriously than you would otherwise; the colour is asking you to.
The base reading of Wren
A wren in a dream is the dictionary's image of vigilance scaled down to the size of the thing in front of you. It is the part of attention that does not need to be large to be accurate — the small, fast notice that catches what a slower eye would miss. A wren near the home is the dream pointing to a domestic detail you have stopped registering. A wren singing is the dream noting that the small, ordinary commentary on your life still has something to say.