Techniques to provide a secure, shared personal map layer include determining a geographic location. The geographic location is associated with operation of a device. The techniques also include determining indication that describes a relationship between the geographic location and a first user of the device. The techniques also include determining a privacy level for the indication. Then, the first user of the device is associated with the indication and the geographic location and the privacy level. In some embodiments, the techniques also include determining a personal description vocabulary word based, at least in part, on the geographic location and a context for the device. Then it is determined to present on the device a prompt that includes the personal description vocabulary word.