Solution
If you have a TAB file with associated vector objects map, you may wish to interrogate the properties of the vector objects in the map layer.
To display this information in the Browser view -
1) Open a new browser for the vector layer
2) Right click in the browser and select Pick Fields
3) From the Fields list, select Expression..
4) In the Expression Window select from the Columns drop-down list 'obj'
5) OK and close the Pick Fields dialog.
There will be a new column displayed in the browser that desribes the object type for each row/object.