You can imagine an endless amount of different ways to indicate that a specific field is required, or you can turn the tables around and indicate that a field is optional. There generally is 3 popular ways of doing this: Asterisk next to either label or field marking the field as required: Yahoo. IBM.
Where is Serbia located on the world map? The given Serbia location map shows that Serbia is located in the central-south part of Europe continent.he given Serbia location map shows that Serbia is located in the central-south part of Europe continent.
Portugal is located in the continent of Europe. Spain and the Alantic Ocean border Portugal. Europe.  Portugal is right next to Spain (both of these nations are part of  what is known as the Iberian Peninsula) at the western end of  Europe.   Portugal is located in southwestern Europe. Portugal and Spain make  up the Iberian Peninsula. The latitude of the Iberian Peninsula is  40'00 North.