Based on Bartholomew (1990)
As you can see, there are four lines on your graph: two solid black lines (horizontal and vertical) and two dotted grey ones (diagonal).
1. Low/high anxiety
The horizontal black line represents your model of self. It shows the amount of attachment anxiety you might have, with low attachment anxiety on the left (positive model of self) and high attachment anxiety on the right (negative model of self). This represents your fear of abandonment and rejection, as well as your amount of self-worth. (Brennan et al., 1998; Karantzas, Feeney, & Wilkinson, 2010). The higher you score on attachment anxiety, the more hyperactivation strategies you employ. (Mikulincer & Shaver, 2003, 2007a), which are behaviors like: