flour tortillas, 9-10 inches
Round Steak should be cut about 1/2 inch thick.
Cut beef steak diagonally across the grain into thin slices, each 2 X 1/8-inch.
Mix remaining ingredients in a glass or plastic bowl; stir in beef until well coated.
Cover and refrigerate for at least 1 hour.
Set oven control to broil.
Place beef slices on rack in broiler pan.
Broil with tops 2 to 3 inches from heat until brown, about 5 minutes.
Place 1/8 of the beef, some cucumber salsa, southwest relish, and southwest guacamole in the center of a 10", warmed tortilla.
Fold one end of the tortilla up about 1 inch over the beef mixture; fold right and left sides over the folded end overlapping.
Fold down the remaining end.
Serve with remaining salsa, relish and guacamole.