Useful Guideline in Submitting an application for a Canada ETA
https://w2ryege040.doodlekit.com/blog/entry/5191731/how-to-apply-efficiently-for-a-canada-eta
For people planning to browse through Canada, they may need to make an application for the Canada eta. The ETA is a requirement if you are traveling by air to the country. It is the short-term for Electronic Travel