• A spark may be a small airborne ember from a fire.
• An electric spark or voltaic arc may be released from a spark gap.
• A spark can trigger a fire.
• SPARK programming language
• Small Portable Adjustable Real-time Kernel, by Real Time Microsystems (http://www.realtimemicrosystems.com/)
• Spark98 is a name for a specific software distribution. - Sparse Matrix Kernels for Shared Memory and Message Passing Systems (http://www-2.cs.cmu.edu/~quake/spark98.html) by David O'Hallaron
• Spark is a small Trotskyist group in the US.
• A 'soul' of a transformer [the toy or comic figure] is his/her spark. Transformers die if their spark is destroyed or if it runs out of energy and fades away.

Common misspellings

• SPARC is a RISC cpu designed by Sun Microsystems