QUIKLinks are indicated by lightning-bolt icons in the Goals above.They point to collections with 50,000 or more records. When you click a QUIKLink icon, scroll down on the resulting page to see the QUIKLinks.
Get tips for tracing South American ancestry in this Legacy Tree article.
Explore the South America page of the GenealogyInTime website. Record collections are listed and described in order from newest to oldest additions, including FamilySearch, Ancestry, and many other sources.