Display screen or portions thereof with a graphical user interface

FIG. 1 is a display screen or portions thereof with a graphical user interface;

FIG. 2 is a second embodiment thereof;

FIG. 3 is a third embodiment thereof;

FIG. 4 is a fourth embodiment thereof; and,

FIG. 5 is a fifth embodiment thereof.

In the central grouping of elements shown in each figure, all lines, icons and symbols are claimed. Additionally, the word “Source” and the three circles shown at the left side in FIGS. 4 and 5 are claimed.

The outermost dashed broken lines in each figure illustrates a display device comprising a display screen or portion thereof, and form no part of the claimed design. The remaining broken lines, including all text shown with the exception of the text “Source:” in FIGS. 5 and 6 , illustrate portions of the graphical user interface that form no part of the claimed design.