diff --git a/web/gui/src/main/resources/org/onosproject/ui/lion/core/view/Topo.properties b/web/gui/src/main/resources/org/onosproject/ui/lion/core/view/Topo.properties
index a534c5f..0c82575 100644
--- a/web/gui/src/main/resources/org/onosproject/ui/lion/core/view/Topo.properties
+++ b/web/gui/src/main/resources/org/onosproject/ui/lion/core/view/Topo.properties
@@ -79,6 +79,37 @@
 fl_oblique_view=Oblique View
 fl_normal_view=Normal View
 
+fl_monitoring_canceled=Monitoring Canceled
+fl_selecting_intent=Selecting Intent
+
+# Core Overlays
+ov_tt_protected_intents=Protected Intents Overlay
+ov_tt_traffic=Traffic Overlay
+ov_tt_none=No Overlay
+
+# Traffic Overlay
+tr_btn_create_h2h_flow=Create Host-to-Host Flow
+tr_btn_create_msrc_flow=Create Multi-Source Flow
+tr_btn_show_device_flows=Show Device Flows
+tr_btn_show_related_traffic=Show Related Traffic
+tr_btn_cancel_monitoring=Cancel traffic monitoring
+tr_btn_monitor_all=Monitor all traffic
+tr_btn_show_dev_link_flows=Show device link flows
+tr_btn_show_all_rel_intents=Show all related intents
+tr_btn_show_prev_rel_intent=Show previous related intent
+tr_btn_show_next_rel_intent=Show next related intent
+tr_btn_monitor_sel_intent=Monitor traffic of selected intent
+tr_fl_fstats_bytes=Flow Stats (bytes)
+tr_fl_pstats_bits=Port Stats (bits / second)
+tr_fl_pstats_pkts=Port Stats (packets / second)
+tr_fl_dev_flows=Device Flows
+tr_fl_rel_paths=Related Paths
+tr_fl_prev_rel_int=Previous related intent
+tr_fl_next_rel_int=Next related intent
+tr_fl_traf_on_path=Traffic on Selected Path
+tr_fl_h2h_flow_added=Host-to-Host flow added
+tr_fl_multisrc_flow=Multi-Source Flow
+
 # Button tooltips
 btn_show_view_device=Show Device View
 btn_show_view_flow=Show Flow View for this Device