1. A method comprising: receiving, by a mobile device, user input that defines a portion of a digital image; selecting, by the mobile device, the portion of the digital image defined by the user input as a selected portion of the digital image; providing, by the mobile device for presentation to a user after the selecting of the portion of the digital image as the selected portion of the digital image, a list of selectable options associated with respective data instances; receiving, by the mobile device, a user selection of a particular selectable option included in the list of selectable options, the particular selectable option associated with a particular data instance included in the data instances; applying, by the mobile device in response to the receiving of the user selection of the particular selectable option, a tag to the selected portion of the digital image, the applied tag providing an association between the selected portion of the digital image and the particular data instance associated with the particular selectable option; providing, by the mobile device, the tagged digital image for display in a digital image view of a graphical user interface; and providing, by the mobile device, a visual indicator representative of the tag for display together with the tagged digital image in the digital image view of the graphical user interface, the visual indicator overlaid over the tagged digital image and visually indicating a position within the digital image of the selected portion of the digital image to which the tag is applied, wherein the particular data instance comprises a contact data instance, and the visual indicator includes an indication of a contact associated with the contact data instance, and a graphical symbol representative of a service associated with the contact.