Let's begin with what structured English and Pseudo Code are. Structured English is native English language. Its primary purpose is to write the structure of a program module. It uses programming language keywords to achieve this. Pseudo Code on the other hand is like a programming language without syntax of any specific language. This question can come in different forms, and each hiring manager in Salesforce's software development organization will ask it differently, but essentially they are asking the same question. Pseudocode is a kind of structured English used for describing algorithms. It describes the entire logic of an algorithm so that when implementation happens, it is translated line by line into source code. Basically, this is an algorithm question that the hiring manager asks to see if you're old school, and if you've written code in Lisp, FORTRAN or C programming language. This tells the manager how you approach a project, whether it's task structured or methodology driven. Either is not a wrong answer, but you want to ask the interviewer early in the interviewer what type of development organization he/she runs so you can answer accordingly. Make sure you have researched Salesforce's development practices before the interview so that you can anticipate the answer to this question and be prepared to respond to it.