Yes, corn syrup is primarily sugar, which is a carbohydrate. Same applies to glucose syrup, glucose-fructose syrup and most other things with the word "syrup" in the name.
Another name for 'dark syrup' is TREACLE.........
Cough Lintus, Vasak syrup, Dimryl syrup
Other names for fructose are fruit sugar which is naturally found in fruit. Artificial fructose is called corn syrup, High fructose corn syrup (HFCS) and crystalline syrup . Levulose is a simple sugar found in honey and some ripe fruits.
lactulose
The syrup can be considered as a solvent for the other ingredients.
A common name for fructose is corn syrup. Fructose is the sugar that is found in fruit. Corn syrup is used in cooking. If corn syrup is used in a recipe, it will usually call for less sugar to be added.
Syrup is a solution (which consists of sugar and other flavoring agents dissolved in water).
I believe the syrup you are referring to is "Zarex"...it had a zebra on the bottle.
Corn syrup is the name of glucose syrup that has been derived from the corn plant. (In the UK it is just called glucose syrup). So the only ingredient in it is pure sugar (from corn); nothing else.
Syrup is a solution (which consists of sugar and other flavoring agents dissolved in water).
Molassesmaple syrup  -noun1.a syrup produced by partially boiling down the sap of the sugar maple or of any of several other maple trees.2.a commercial variety of such syrup, often mixed with canesugar or some other sweetening agent.Synonyms: glucose, maple syrup , molasses, pancakesyrup, sorghum, sweetness, treacle